<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0,user-scalable=no,minimal-ui">
  <title>菩提阁</title>
  <link rel="icon" href="images/favico.ico">
  <!--不同屏幕尺寸根字体设置-->
  <script src="./js/base.js"></script>
  <!--element-ui的样式-->
  <link rel="stylesheet" href="../backend/plugins/element-ui/index.css" />
  <!--引入vant样式-->
  <link rel="stylesheet" href="styles/vant.min.css"/>
  <!-- 引入样式  -->
  <link rel="stylesheet" href="styles/index.css" />
  <!--本页面内容的样式-->
  <link rel="stylesheet" href="styles/main.css" />
</head>
<body>
<div id="main" class="app">
  <div class="divHead">
    <img src="./images/user.png" @click="toUserPage"/>
  </div>
  <div class="divTitle">
    <div class="divStatic">
      <img src="./images/logo.png"  class="logo"/>
      <div class="divDesc">
        <div class="divName">菩提阁餐厅</div>
        <div class="divSend">
          <span><img src="./images/time.png"/> 距离1.5km</span>
          <span><img src="./images/money.png"/> 配送费6元</span>
          <span><img src="./images/location.png"/> 预计时长12min</span>
        </div>
      </div>
    </div>
    <div class="divDesc">
      简介: 菩提阁中餐厅是菩提阁点餐的独立的品牌，定位“大众 化的美食外送餐饮”，旨为顾客打造专业美食。
    </div>
  </div>
  <div class="divBody">
    <div class="divType">
      <ul>
        <li v-for="(item,index) in categoryList" :key="index" @click="categoryClick(index,item.id,item.type)" :class="{active:activeType === index}">{{item.name}}</li>
      </ul>
    </div>
    <div class="divMenu">
      <div>
        <div class="divItem" v-for="(item,index) in dishList" :key="index" @click="dishDetails(item)">
          <el-image :src="imgPathConvert(item.image)" >
            <div slot="error" class="image-slot">
              <img src="./images/noImg.png"/>
            </div>
          </el-image>
          <div>
            <div class="divName">{{item.name}}</div>
            <div class="divDesc">{{item.description}}</div>
            <div class="divDesc">{{'月销' + (item.saleNum ? item.saleNum : 0)  }}</div>
            <div class="divBottom"><span>￥</span><span>{{item.price/100}}</span></div>
            <div class="divNum">
              <div class="divSubtract" v-if="item.number > 0">
                <img src="./images/subtract.png" @click.prevent.stop="subtractCart(item)"/>
              </div>
              <div class="divDishNum">{{item.number}}</div>
              <div class="divTypes" v-if="item.flavors && item.flavors.length > 0 && !item.number " @click.prevent.stop="chooseFlavorClick(item)">选择规格</div>
              <div class="divAdd" v-else>
                <img src="./images/add.png" @click.prevent.stop="addCart(item)"/>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>

  </div>
  <div class="divLayer">
    <div class="divLayerLeft"></div>
    <div class="divLayerRight"></div>
  </div>
  <div class="divCart" v-if="categoryList.length > 0">
    <div :class="{imgCartActive: cartData && cartData.length > 0, imgCart:!cartData || cartData.length<1}" @click="openCart"></div>
    <div :class="{divGoodsNum:1===1, moreGoods:cartData && cartData.length > 99}" v-if="cartData && cartData.length > 0">{{ goodsNum }}</div>
    <div class="divNum">
      <span>￥</span>
      <span>{{goodsPrice}}</span>
    </div>
    <div class="divPrice"></div>
    <div :class="{btnSubmitActive: cartData && cartData.length > 0, btnSubmit:!cartData || cartData.length<1}" @click="toAddOrderPage">去结算</div>
  </div>
  <van-dialog v-model="dialogFlavor.show" :show-confirm-button="false" class="dialogFlavor" ref="flavorDialog">
    <div class="dialogTitle">{{dialogFlavor.name}}</div>
    <div class="divContent">
      <div v-for="flavor in dialogFlavor.flavors" :key="flavor.id">
        <div class="divFlavorTitle">{{flavor.name}}</div>
        <span v-for="item in JSON.parse(flavor.value)"
              :key="item"
              @click="flavorClick(flavor,item)"
              :class="{spanActive:flavor.dishFlavor === item}"
        >{{item}}</span>
      </div>
    </div>
    <div class="divBottom">
      <div><span class="spanMoney">￥</span>{{dialogFlavor.price/100}}</div>
      <div @click="dialogFlavorAddCart">加入购物车</div>
    </div>
    <div class="divFlavorClose" @click="dialogFlavor.show = false">
      <img src="./images/close.png"/>
    </div>
  </van-dialog>
  <van-popup v-model="cartDialogShow" position="bottom" :style="{ height: '50%' }" class="dialogCart">
    <div class="divCartTitle">
      <div class="title">购物车</div>
      <div class="clear" @click="clearCart">
        <i class="el-icon-delete"></i> 清空
      </div>
    </div>
    <div class="divCartContent">
      <div v-for="item in cartData" :key="item.id" class="divCartItem">
        <el-image :src="imgPathConvert(item.image)" >
          <div slot="error" class="image-slot">
            <img src="./images/noImg.png"/>
          </div>
        </el-image>
        <div class="divDesc">
          <div class="name">{{item.name}}</div>
          <div class="price">
            <span class="spanMoney">￥</span>{{item.amount}}</div>
        </div>
        <div class="divNum">
          <div class="divSubtract">
            <img src="./images/subtract.png" @click="cartNumberSubtract(item)"/>
          </div>
          <div class="divDishNum">{{item.number}}</div>
          <div class="divAdd">
            <img src="./images/add.png" @click="cartNumAdd(item)"/>
          </div>
        </div>
        <div class="divSplit"></div>
      </div>
    </div>
  </van-popup>
  <van-dialog v-model="detailsDialog.show"
              :show-confirm-button="false"
              class="detailsDialog"
              ref="detailsDialog"
              v-if="detailsDialog.show"
  >
    <div class="divContainer">
      <el-image :src="imgPathConvert(detailsDialog.item.image)" >
        <div slot="error" class="image-slot">
          <img src="./images/noImg.png"/>
        </div>
      </el-image>
      <div class="title">{{detailsDialog.item.name}}</div>
      <div class="content">{{detailsDialog.item.description}}</div>
    </div>
    <div class="divNum">
      <div class="left">
        <span>￥</span><span>{{detailsDialog.item.price/100}}</span>
      </div>
      <div class="right">
        <div class="divSubtract" v-if="detailsDialog.item.number > 0">
          <img src="./images/subtract.png" @click="subtractCart(detailsDialog.item)"/>
        </div>
        <div class="divDishNum">{{detailsDialog.item.number}}</div>
        <div class="divTypes" v-if="detailsDialog.item.flavors && detailsDialog.item.flavors.length > 0 && !detailsDialog.item.number " @click ="chooseFlavorClick(detailsDialog.item)">选择规格</div>
        <div class="divAdd" v-else>
          <img src="./images/add.png" @click="addCart(detailsDialog.item)"/>
        </div>
      </div>
    </div>
    <div class="detailsDialogClose" @click="detailsDialog.show = false">
      <img src="./images/close.png"/>
    </div>
  </van-dialog>
  <van-dialog v-model="setMealDialog.show"
              :show-confirm-button="false"
              class="setMealDetailsDialog"
              ref="setMealDetailsDialogd"
              v-if="setMealDialog.show"
  >
    <div class="divContainer">
      <div class="title">{{setMealDialog.item.name}}</div>
      <div class="item" v-for="(item,index) in setMealDialog.item.list" :key="index">
        <el-image :src="imgPathConvert(item.image)">
          <div slot="error" class="image-slot">
            <img src="./images/noImg.png"/>
          </div>
        </el-image>
        <div class="divSubTitle">{{item.name + '(' + item.copies + '份)' }}
          <div class="divPrice">
            <span>￥</span><span>{{item.price/100}}</span>
          </div>
        </div>
        <div class="content">{{item.description}}</div>
      </div>
    </div>
    <div class="divNum">
      <div class="left">
        <span>￥</span><span>{{setMealDialog.item.price/100}}</span>
      </div>
      <div class="right">
        <div class="divSubtract" v-if="setMealDialog.item.number > 0">
          <img src="./images/subtract.png" @click="subtractCart(setMealDialog.item)"/>
        </div>
        <div class="divDishNum">{{setMealDialog.item.number}}</div>
        <div class="divAdd" v-if="setMealDialog.item.number">
          <img src="./images/add.png" @click="addCart(setMealDialog.item)"/>
        </div>
        <div class="addCart"  @click="addCart(setMealDialog.item)" v-if="!setMealDialog.item.number">加入购物车</div>
      </div>
    </div>
    <div class="detailsDialogClose" @click="setMealDialog.show = false">
      <img src="./images/close.png"/>
    </div>
  </van-dialog>
</div>
<!-- 开发环境版本，包含了有帮助的命令行警告 -->
<script src="../backend/plugins/vue/vue.js"></script>
<!-- 引入组件库 -->
<script src="../backend/plugins/element-ui/index.js"></script>
<!-- 引入vant样式 -->
<script src="./js/vant.min.js"></script>
<!-- 引入axios -->
<script src="../backend/plugins/axios/axios.min.js"></script>
<script src="./js/request.js"></script>
<script src="./js/common.js"></script>
<script src="./api/main.js"></script>
</body>
<script>
  new Vue({
    el:'#main',
    data(){
      return {
        //左边菜品类别index
        activeType:0,
        categoryList:[],
        categoryId:undefined,
        dishList:[],
        cartData:[],
        dialogFlavor:{
          name:'',
          flavors:[],
          dishId:undefined,
          price:undefined,
          show:false,
          image:''
        },
        cartDialogShow:false,
        detailsDialog:{
          show:false,
          item:{image:''}
        },
        setMealDialog:{
          show:false,
          item:{}
        },
      }
    },
    computed:{
      goodsNum(){
        let num = 0
        this.cartData.forEach(item=>{
          num += item.number
        })
        if(num <99){
          return num
        }else{
          return '99+'
        }
      },
      goodsPrice(){
        let price = 0
        this.cartData.forEach(item=>{
          price += (item.number * item.amount)
        })
        return price
      }
    },
    created(){
    },
    watch:{
      'dialogFlavor.show'(flag){
        if(flag){
          document.querySelector('.divCart').style.zIndex = 1
        }else{
          document.querySelector('.divCart').style.zIndex = 3000
        }
      },
    },
    mounted(){
      this.initData()
    },
    methods:{
      //初始化数据
      initData(){
        Promise.all([categoryListApi(),cartListApi({})]).then(res=>{
          //获取分类数据
          if(res[0].code === 1){
            this.categoryList = res[0].data
            if(Array.isArray(res[0].data) && res[0].data.length > 0){
              this.categoryId = res[0].data[0].id
              if(res[0].data[0].type === 1){
                this.getDishList()
              }else{
                this.getSetmealData()
              }
            }
          }else{
            this.$notify({ type:'warning', message:res[0].msg});
          }
          //获取菜品数据
          if(res[1].code === 1){
            this.cartData = res[1].data
          }else{
            this.$notify({ type:'warning', message:res[1].msg});
          }
        })
      },
      //分类点击
      categoryClick(index,id,type){
        this.activeType = index
        this.categoryId = id
        if(type === 1){//菜品
          this.getDishList()
        }else{
          this.getSetmealData()
        }
      },
      //获取菜品数据
      async getDishList(){
        if(!this.categoryId){
          return
        }
        const res = await dishListApi({categoryId:this.categoryId,status:1})
        if(res.code === 1){
          let dishList = res.data
          const cartData  = this.cartData
          if(dishList.length > 0 && cartData.length > 0){
            dishList.forEach(dish=>{
              cartData.forEach(cart=>{
                if(dish.id === cart.dishId){
                  dish.number = cart.number
                }
              })
            })
          }
          this.dishList = dishList
        }else{
          this.$notify({ type:'warning', message:res.msg});
        }
      },
      //获取套餐数据setmealId
      async getSetmealData(){
        if(!this.categoryId){
          return
        }
        const res = await setmealListApi({categoryId:this.categoryId,status:1})
        if(res.code === 1){
          let dishList = res.data
          const cartData  = this.cartData
          if(dishList.length > 0 && cartData.length > 0){
            dishList.forEach(dish=>{
              cartData.forEach(cart=>{
                if(dish.id === cart.setmealId){
                  dish.number = cart.number
                }
              })
            })
          }
          this.dishList = dishList
        }else{
          this.$notify({ type:'warning', message:res.msg});
        }
      },
      //获取购物车数据
      async getCartData(){
        const res = await cartListApi({})
        if(res.code === 1){
          this.cartData = res.data
        }else{
          this.$notify({ type:'warning', message:res.msg});
        }
      },
      //菜单中往购物车中添加商品
      async addCart(item){
        let params = {
          amount:item.price/100,//金额
          dishFlavor:item.dishFlavor,//口味  如果没有传undefined
          dishId:undefined,//菜品id
          setmealId:undefined,//套餐id
          name:item.name,
          image:item.image
        }
        if(Array.isArray(item.flavors)){//表示是菜品
          params.dishId = item.id
        }else{//表示套餐 套餐没有口味
          params.setmealId = item.id
        }
        const res = await addCartApi(params)
        if(res.code === 1){
          this.dishList.forEach(dish=>{
            if(dish.id === item.id){
              dish.number = res.data.number
            }
          })
          if(this.setMealDialog.show){
            item.number = res.data.number
          }
          this.getCartData()
        }else{
          this.$notify({ type:'warning', message:res.msg});
        }
      },

      //菜单中减少选中的商品
      async subtractCart(item){
        let params = {
          dishId:item.id,
        }
        if(!Array.isArray(item.flavors)){
          params = {
            setmealId:item.id,
          }
        }
        const res = await updateCartApi(params)
        if(res.code === 1){
          this.dishList.forEach(dish=>{
            if(dish.id === item.id){
              dish.number = (res.data.number === 0 ? undefined : res.data.number)
            }
          })
          if(this.setMealDialog.show){
            item.number = (res.data.number === 0 ? undefined : res.data.number)
          }
          this.getCartData()
        }else{
          this.$notify({ type:'warning', message:res.msg});
        }
      },

      //展开购物车
      openCart(){
        if(this.cartData.length > 0){
          this.cartDialogShow = true
        }
      },
      //购物车中增加商品数量
      async cartNumAdd(item){
        let params = {
          amount:item.amount,//金额
          dishFlavor:item.dishFlavor,//口味  如果没有传undefined
          dishId:item.dishId,//菜品id
          setmealId:item.setmealId,//套餐id
          name:item.name,
          image:item.image
        }
        const res = await addCartApi(params)
        if(res.code === 1){
          this.dishList.forEach(dish=>{
            if(dish.id === (item.dishId || item.setmealId)){
              dish.number = res.data.number
            }
          })
          console.log(this.dishList)
          this.getCartData()
        }else{
          this.$notify({ type:'warning', message:res.msg});
        }
      },
      //购物车中减少商品数量
      async cartNumberSubtract(item){
        let params = {
          dishId:item.dishId,
          setmealId:item.setmealId,
        }
        const res = await updateCartApi(params)
        if(res.code === 1){
          this.dishList.forEach(dish=>{
            if(dish.id === (item.dishId || item.setmealId)){
              dish.number = (res.data.number === 0 ? undefined : res.data.number)
            }
          })
          this.getCartData()
        }else{
          this.$notify({ type:'warning', message:res.msg});
        }
      },

      //修改商品列表中的数据number
      changeDishList(item){
        for(let ele of this.dishList){
          if(ele.id === (item.setmealId || item.dishId)){
            ele.number = item.number
          }
        }
      },

      //清空购物车
      async clearCart(){
        const res = await clearCartApi()
        if(res.code === 1){
          for(let ele of this.dishList){
            ele.number = undefined
          }
          this.cartData = []
          this.cartDialogShow = false
        }else{
          this.$notify({ type:'warning', message:res.msg});
        }
      },
      //点击选择规格
      chooseFlavorClick(item){
        this.dialogFlavor = {
          name:'',
          flavors:[],
          dishId:undefined,
          price:undefined,
          show:false
        }
        this.dialogFlavor={
          name:item.name,
          flavors:item.flavors,
          dishId:item.id,
          price:item.price,
          show:true,
          image:item.image
        }
      },
      flavorClick(flavor,item){
        flavor.dishFlavor = item
        //强制刷新dialog的dom
        this.dialogFlavor.show = false
        this.dialogFlavor.show = true
      },
      //选择规格加入购物车
      dialogFlavorAddCart(){
        const dialogFlavor = this.dialogFlavor
        let flag = true
        let dishFlavor = []
        dialogFlavor.flavors.forEach(item=>{
          if(item.dishFlavor){
            dishFlavor.push(item.dishFlavor)
          }else{
            flag = false
            Notify({ type: 'warning', message: '请选择'+ item.name });
          }
        })
        if(flag){
          this.addCart({
            price:dialogFlavor.price,
            dishFlavor:dishFlavor.join(","),
            id:dialogFlavor.dishId,
            flavors:[],
            image:dialogFlavor.image,
            name:dialogFlavor.name
          })
          this.dialogFlavor.show = false
        }

      },
      //网络图片路径转换
      imgPathConvert(path){
        return imgPath(path)
      },
      //跳转到去结算界面
      toAddOrderPage(){
        if(this.cartData.length > 0){
          window.requestAnimationFrame(()=>{
            window.location.href ='/front/page/add-order.html'
          })
        }
      },
      toUserPage(){
        window.requestAnimationFrame(()=>{
          window.location.href= '/front/page/user.html'
        })
      },
      async dishDetails(item){
        //先清除对象数据，如果不行的话dialog使用v-if
        this.detailsDialog.item = {}
        this.setMealDialog.item = {}
        if(Array.isArray(item.flavors)){
          this.detailsDialog.item = item
          this.detailsDialog.show = true
        }else{
          //显示套餐的数据
          const res = await setMealDishDetailsApi(item.id)
          if(res.code === 1){
            this.setMealDialog.item = {...item,list:res.data}
            this.setMealDialog.show = true
          }else{
            this.$notify({ type:'warning', message:res.msg});
          }
        }

      }

    }
  })
</script>
</html>
